CN113187036B - Pipeline structure for preventing second-floor pipeline from returning water - Google Patents

Pipeline structure for preventing second-floor pipeline from returning water Download PDF

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Publication number
CN113187036B
CN113187036B CN202110489549.1A CN202110489549A CN113187036B CN 113187036 B CN113187036 B CN 113187036B CN 202110489549 A CN202110489549 A CN 202110489549A CN 113187036 B CN113187036 B CN 113187036B
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China
Prior art keywords
pipe
sewer
plate
sewer pipe
communicated
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CN202110489549.1A
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CN113187036A (en
Inventor
许茂东
江安
陈丽茹
王洪涛
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Anhui Polytechnic University
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Anhui Polytechnic University
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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/122Pipe-line systems for waste water in building
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/122Pipe-line systems for waste water in building
    • E03C1/1222Arrangements of devices in domestic waste water pipe-line systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/28Odour seals
    • E03C1/298Odour seals consisting only of non-return valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/03Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/04Check valves with guided rigid valve members shaped as balls
    • F16K15/044Check valves with guided rigid valve members shaped as balls spring-loaded
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/004Joining to walls at other than 90 degrees
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/02Branch units, e.g. made in one piece, welded, riveted

Abstract

The invention belongs to the technical field of sewer pipes, in particular to a pipeline structure for preventing return water of a second-floor pipeline, which is characterized in that a check valve is arranged between a first sewer pipe and a second sewer pipe, a sealing plate and a sealing ball are utilized to seal return water of the sewer of a washing machine, foam in the sewer of the washing machine is primarily eliminated by a defoaming plate at the lower end, foam is further eliminated by fusion of the defoaming plate and greasy dirt, the problem of return foam of the sewer of the washing machine is effectively avoided, and foam is eliminated by a draining plate and the sewer of a kitchen, so that return foam of the sewer of the kitchen is avoided, the method is further perfected, the problems of return water of the kitchen and return foam of the sewer of the washing machine are solved, and maintenance and dredging costs are saved.

Description

Pipeline structure for preventing second-floor pipeline from returning water
Technical Field
The invention belongs to the technical field of sewer pipes, and particularly relates to a pipeline structure for preventing return water of a second-floor pipeline.
Background
The problems of frequent blockage of pipelines, water return and foam return of second-floor buildings in residential communities of high floors are solved, and the problems are caused by blockage caused by cement mortar on the inner wall of the pipelines, accumulation of greasy dirt in kitchen sewer pipelines and large amount of foam generated at the joint of the second-floor building and the first-floor building due to impact of the sewer pipelines of the washing machine in the decoration process.
In the prior art, since the pipeline of the washing machine and the sewer pipeline of the kitchen in domestic household residence are designed in a decentralized manner, various blockage and foam return problems such as the above are often generated, and when blockage and foam release are encountered, the pipeline can only be dredged and maintained, so that the cost spent on dredging and maintaining the pipeline every year is increased, and when the pipeline is blocked, living inconvenience is caused for residents in second-class buildings.
Therefore, the invention provides a pipeline structure for preventing water return of a second-floor pipeline.
Disclosure of Invention
In order to overcome the defects of the prior art and solve the problems of water return and foam return of a two-floor sewer pipeline, the invention provides a pipeline structure for preventing water return of a two-floor pipeline.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a prevent pipeline structure of second floor pipeline return water, washing machine downcomer includes No. one downcomer, no. two downcomer and No. three downcomer; the third sewer pipe is communicated with the tail end of the second sewer pipe; a one-way valve is communicated between the first sewer pipe and the second sewer pipe; a sealing groove is formed in the one-way valve; the inner wall of the lower end of the one-way valve is provided with a first annular groove and a second annular groove at intervals; a defoaming plate is arranged in the first annular groove; a first draining groove is formed in the surface of the defoaming plate; an annular plate is arranged in the second annular groove; the middle part of the annular plate is provided with a gradual opening; the surface of the annular plate is fixedly connected with a first spring; the top end of the first spring is fixedly connected with a sealing plate; the upper end of the sealing plate is fixedly connected with a sealing ball; protruding rings are arranged on the outer sides of the upper end and the lower end of the one-way valve.
Preferably, a cavity is formed in the one-way valve; the annular plate and the defoaming plate are arranged in a cavity in the one-way valve; the sealing groove is communicated with the cavity; the sealing plate is arranged in the sealing groove; the sealing ball is connected in the cavity in a sliding way.
Preferably, the kitchen sewer pipe comprises a fifth sewer pipe and an arc pipe; the bottom end of the fifth sewer pipe is communicated with a connecting pipe; the front end of the arc-shaped pipe is communicated with the connecting pipe; the tail end of the arc tube is obliquely downwards communicated with a main tube; the connecting pipe is internally connected with a unidirectional baffle at the joint with the front end of the arc-shaped pipe in a rotating way.
Preferably, a lumen is formed in the fifth sewer pipe; a draining plate is arranged on the inner bottom surface of the pipe cavity; a second draining groove is formed in the surface of the draining plate; a second spring is fixedly connected to the middle part of the draining plate; the upper end of the second spring is fixedly connected with a splitter plate; the shunt plate is disposed within the lumen.
Preferably, the inner wall of the lower end of the first sewer pipe is provided with a leakage-proof groove; the leakage-proof groove is matched with the convex ring; the front end of the connecting pipe is communicated with the tail end of the third sewer pipe.
Preferably, the cavity inside the one-way valve is respectively communicated with the interiors of the first sewer pipe and the second sewer pipe.
Preferably, the connecting pipe is in vertical relation with the fifth sewer pipe; the tail end of the connecting pipe is communicated with the tail end of the arc-shaped pipe.
The invention has the technical effects and advantages that:
1. according to the pipeline structure for preventing the second-floor pipeline from returning water, the check valve is arranged between the first sewer pipe and the second sewer pipe, the sealing plate and the sealing ball are utilized to seal the return water of the sewer of the washing machine, the foam in the sewer of the washing machine is primarily eliminated by the defoaming plate at the lower end, the foam is further eliminated by the fusion of the defoaming plate and the greasy dirt, the problem of foam return of the sewer pipeline of the washing machine is effectively avoided, and the foam is eliminated by the draining plate and the kitchen sewer pipeline, so that the foam return of the sewer pipeline of the kitchen is avoided, the method is further perfected, the problems of the existing kitchen return water and the foam return of the sewer pipeline of the washing machine can be solved, and the maintenance and dredging cost is saved.
2. According to the pipeline structure for preventing the second-floor pipeline from returning water, disclosed by the invention, the washing machine sewer pipeline of the second floor is combined with the sewer pipeline of the second-floor kitchen, and the residual detergent in the washing machine sewer pipeline is fully fused with the greasy dirt in the kitchen sewer pipeline, so that the foam in the detergent is further eliminated, the accumulation of the greasy dirt in the kitchen sewer pipeline is reduced, the sewer pipeline is smooth, and the phenomena of returning water and returning foam are avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A in accordance with the present invention;
FIG. 4 is an enlarged view of FIG. 2B in accordance with the present invention;
in the figure: 1. a first sewer pipe; 11. a leakage prevention groove; 2. a one-way valve; 211. a raised ring; 22. sealing grooves; 24. a cavity; 241. annular groove I; 242. annular groove II; 25. a defoaming plate; 251. a first draining groove; 26. an annular plate; 261. gradually perforating; 27. a first spring; 28. a sealing plate; 29. sealing the ball; 3. a second sewer pipe; 4. a third sewer pipe; 5. a connecting pipe; 6. a fifth sewer pipe; 611. a lumen; 62. a draining plate; 621. a second draining tank; 63. a second spring; 64. a diverter plate; 8. an arc tube; 81. a one-way baffle; 9. and a main pipe.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 4, the drainage pipeline of the washing machine comprises a first drainage pipe 1, a second drainage pipe 3 and a third drainage pipe 4; the third downcomer 4 is communicated with the tail end of the second downcomer 3; a one-way valve 2 is communicated between the first sewer pipe 1 and the second sewer pipe 3; a sealing groove 22 is formed in the check valve 2; a first annular groove 241 and a second annular groove 242 are arranged on the inner wall of the lower end of the one-way valve 2 at intervals; the defoaming plate 25 is arranged in the first annular groove 241; a first draining groove 251 is formed in the surface of the defoaming plate 25; an annular plate 26 is arranged in the annular groove II 242; the middle part of the annular plate 26 is provided with a gradual opening 261; the surface of the annular plate 26 is fixedly connected with a first spring 27; the top end of the first spring 27 is fixedly connected with a sealing plate 28; the upper end of the sealing plate 28 is fixedly connected with a sealing ball 29; protruding rings 211 are arranged on the outer sides of the upper end and the lower end of the check valve 2.
When the washing machine works, the washing machine drain water enters a drain pipeline through a first drain pipe 1; the water flow is throttled by the one-way valve 2 after entering the first sewer pipe 1, and the water flow has self gravity, presses the sealing ball 29 and the sealing plate 28 downwards and drives the sealing plate 28 to move downwards in the sealing groove 22; so that the sealing groove 22 is communicated with the cavity 24, the sewage can enter the second sewer pipe 3 through the cavity 24 and the sealing groove 22 to realize the sewage function, when the sewage passes through the annular plate 26, the water flow therein is limited by the gradual opening 261 and then passes through the defoaming plate 25, and when the sewage passes through the defoaming plate 25, a large amount of foam in the sewage is removed by the first draining groove 251 and then enters the third sewer pipe 4, and the problem of backflow of the sewage of the washing machine is avoided because the height difference of 1-1.5 cm is kept between the second sewer pipe 3 and the third sewer pipe 4, and foam in the sewage of the washing machine with return water cannot enter the second sewer pipe 3 through the defoaming plate 25 because of the existence of the defoaming plate 25, so that the problem of foam return of the sewer pipe of the washing machine is avoided.
As an embodiment of the present invention, the one-way valve 2 is internally provided with a cavity 24; the annular plate 26 and the defoaming plate 25 are arranged in the cavity 24 in the check valve 2; the seal groove 22 communicates with the cavity 24; the seal plate 28 is disposed within the seal slot 22; the sealing ball 29 is slidingly connected in the cavity 24.
When the sealing ball 29 and the sealing plate 28 are influenced by the gravity of water flow, the first spring 27 is compressed downwards, and the sealing plate 28 tightly attached to the upper opening of the sealing groove 22 is separated from the upper opening of the sealing groove 22 under the extrusion of the elastic potential energy of the first spring 27 in the initial state, so that the washing machine sewer can enter the second sewer pipe 3 through the cavity 24 and the sealing groove 22, and the sealing plate 28 can be driven to return by the elastic potential energy of the first spring 27 when the sealing ball is not influenced by the gravity of water flow, so that the sealing effect on the first sewer pipe 1 is realized; avoiding the problem of water return and foam return of a sewer pipe of the washing machine.
As an embodiment of the present invention, the kitchen sewer pipe includes a fifth sewer pipe 6 and an arc pipe 8; the bottom end of the fifth sewer pipe 6 is communicated with a connecting pipe 5; the front end of the arc-shaped pipe 8 is communicated with the connecting pipe 5; the tail end of the arc-shaped pipe 8 is obliquely downwards communicated with a main pipe 9; the connecting pipe 5 is rotatably connected with a one-way baffle 81 at the joint with the front end of the arc-shaped pipe 8.
During operation, kitchen sewer enters the connecting pipe 5 through the fifth sewer pipe 6, washing machine sewer is communicated with kitchen sewer through the connecting pipe 5, and oil stains in a pipeline between the kitchen sewer pipes are cleaned before the washing machine sewer enters the tail end of the arc-shaped pipe 8 through the connecting pipe 5, specifically, the residual detergent in the washing machine sewer is used for cleaning the oil stains, and the flowing oil stains are driven to push the one-way baffle 81 to turn over and then enter the tail end of the arc-shaped pipe 8, and then the oil stains obliquely enter the main pipe 9, so that cleaning of a kitchen sewer pipeline is realized, and the phenomenon of water return caused by accumulation of the oil stains in the kitchen sewer pipeline is avoided; wherein arc pipe 8 and one-way baffle 81 that set up between connecting pipe 5 and being responsible for 9 can avoid sewage and foam backward flow, and it can effectually avoid the kitchen sewer pipe's the problem of returning the flavor, and the structure of arc pipe 8 wherein imitates the structure of tesla valve.
As an embodiment of the present invention, a lumen 611 is formed inside the fifth sewer pipe 6; a draining plate 62 is arranged on the inner bottom surface of the pipe cavity 611; a second draining groove 621 is formed in the surface of the draining board 62; a second spring 63 is fixedly connected to the middle part of the draining plate 62; the upper end of the second spring 63 is fixedly connected with a splitter plate 64; the shunt plate 64 is disposed within the lumen 611.
During operation, the kitchen sewer line is not only greasy, but also has problems such as food residues, in particular, the food residues with larger size are easy to cause blockage of the kitchen sewer line, the flow distribution plate 64 arranged in the pipe cavity 611 is utilized to limit the flow of the food residues, the small-size food residues can pass through, and the large-size food residues can be blocked on the upper side of the flow distribution plate 64; the second spring 63 is also arranged at the upper end of the flow dividing plate 64, the second spring 63 can be compressed downwards under the influence of the gravity of water flow, when no water is discharged from a kitchen, the flow dividing plate 64 is driven by the elastic potential energy of the second spring 63 to block the fifth sewer pipe 6, the odor return preventing function of the fifth sewer pipe 6 is further enhanced, and the second water draining groove 621 is also arranged on the water draining plate 62, so that the foam generated by the water discharged from the washing machine through the connecting pipe 5 can be effectively prevented from accumulating into the kitchen sewer pipeline, namely into the fifth sewer pipe 6; and after the sewage of the washing machine contacts with the oil stain in the connecting pipe 5 and is fully fused, the defoaming effect can be generated on the detergent, so that the problem of foam return is further avoided.
As an embodiment of the present invention, the inner wall of the lower end of the first sewer pipe 1 is provided with a leakage-proof groove 11; the leakage-proof groove 11 is matched with the convex ring 211; the front end of the connecting pipe 5 is communicated with the tail end of the third sewer pipe 4.
During operation, the sealing band is wound around the leakage-proof groove 11 and the raised ring 211 when the pipeline is communicated, and the leakage-proof effect can be effectively generated at the joint of the pipeline by the fit connection of the leakage-proof groove 11 and the raised ring 211.
As an embodiment of the present invention, the cavity 24 inside the check valve 2 is respectively communicated with the interiors of the first sewer pipe 1 and the second sewer pipe 3.
When the washing machine drainage device works, the height difference between the second drainage pipe 3 and the third drainage pipe 4 is kept between 1 cm and 1.5 cm, so that the height difference is generated between the second drainage pipe 3 and the third drainage pipe 4, the washing machine drainage is difficult to flow back after entering the third drainage pipe 4, and the problem of water return and foam return of a drainage pipeline of the washing machine are caused.
As one embodiment of the present invention, the connection pipe 5 is in a vertical relationship with the fifth sewer pipe 6; the end of the connecting pipe 5 is communicated with the end of the arc-shaped pipe 8.
The pipeline arrangement method of the pipeline structure for preventing the second-floor pipeline from returning water comprises the following steps of:
s1: enumerating main types of second floor water returning; comprises second-floor toilet return water, second-floor kitchen return water and second-floor washing machine return foam;
s2: analyzing the water return reason of the second-floor pipeline; comprising the following steps: the water return of the toilet is mainly caused by the fact that cement mortar is attached to the inner wall of the pipeline in the decoration process, so that sundries block the pipeline and cause water return; kitchen return water is mainly caused by pipeline blockage due to oil dirt accumulation; the return foam of the sewer pipe of the washing machine mainly generates a large amount of foam at the outlets of the first floor and the second floor due to the impact of liquid flow, so that the foam is accumulated and floats upwards to the second floor to cause water generation;
s3: pipeline improvement is carried out on kitchen return water; combining a second-floor kitchen sewer pipeline with a washing machine sewer pipeline, and finally converging the second-floor kitchen sewer pipeline and the washing machine sewer pipeline into a main pipe; wherein the tail end of the pipeline of the washing machine is 1-1.5 cm higher than the horizontal pipeline; residual detergent in a washing machine sewer line is utilized to wash the kitchen sewer line, so that the accumulation of greasy dirt in the kitchen sewer line is reduced;
s4: the combined kitchen sewer line and the washing machine sewer line solve the problem of water return and foam return of the existing second floor; and sequentially integrates a kitchen sewer line and a washing machine sewer line of the whole building.
Working principle: when the washing machine sewer pipe works, the washing machine sewer water enters the pipe network through the first sewer pipe 1 and then passes through the one-way valve 2, the water flow presses the sealing ball 29 and the sealing plate 28 by the gravity of the water flow in the one-way valve 2 and forces the sealing ball and the sealing plate 28 to move downwards, at the moment, the first spring 27 is compressed, and the sealing plate 28 is separated from the upper end opening of the sealing groove 22 downwards, so that the washing machine sewer water can enter the sealing groove 22 along the cavity 24; the washing machine drain entering the seal groove 22 is limited after passing through the annular plate 26, then passes through the defoaming plate 25, and passes through the defoaming plate 25, so that a large amount of foam in the washing machine drain can be eliminated, and finally the foam is converged into the second drain pipe 3, and the height difference between the second drain pipe 3 and the third drain pipe 4 is kept at 1-1.5 cm, so that the drain in the third drain pipe 4 is prevented from flowing back to the second drain pipe 3; meanwhile, the backflowing foam can be defoamed by the defoamed plate 25 when passing through the defoamed plate 25, so that the backfoaming problem of the sewer line of the washing machine is avoided; the washing machine drain is communicated with the connecting pipe 5 through the third drain pipe 4, and residual greasy dirt in the connecting pipe 5 is cleaned, so that residual detergent in the washing machine drain and residual greasy dirt are fully fused, a defoaming effect on the washing machine drain is achieved, foam in the washing machine drain is prevented from flowing back into kitchen drain, greasy dirt exists in a kitchen drain pipeline, food residues and other problems can occur, particularly the food residues with larger size easily cause blockage of the kitchen drain pipeline, the flow distribution plate 64 arranged in the pipe cavity 611 is used for limiting the food residues, small-size food residues can pass through, and large-size food residues can be blocked on the upper side of the flow distribution plate 64; and the upper end of the flow distribution plate 64 is also provided with a second spring 63, the second spring 63 can be downwards compressed under the influence of the gravity of water flow, when no water is discharged from a kitchen, the flow distribution plate 64 is driven by the elastic potential energy of the second spring 63 to block the fifth water discharge pipe 6, the odor return prevention function of the fifth water discharge pipe 6 is further enhanced, and the second water draining tank 621 is also arranged on the water draining plate 62, so that the foam generated by the water discharge of the washing machine through the connecting pipe 5 can be effectively prevented from accumulating into the kitchen water discharge pipeline, finally the water is discharged through the connecting pipe 5 and the tail end of the arc-shaped pipe 8 obliquely enters the main pipe 9, and the odor return and water return problems of the kitchen water discharge pipeline can be effectively avoided by the arc-shaped pipe 8 matched with the unidirectional baffle 81 of which the front end is arranged in the connecting pipe 5.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (1)

1. A prevent pipeline structure of second floor pipeline water return which characterized in that: comprises a washing machine sewer pipe and a kitchen sewer pipe; the washing machine sewer pipe comprises a first sewer pipe (1), a second sewer pipe (3) and a third sewer pipe (4); the third sewer pipe (4) is communicated with the tail end of the second sewer pipe (3); a one-way valve (2) is communicated between the first sewer pipe (1) and the second sewer pipe (3); a sealing groove (22) is formed in the one-way valve (2); a first annular groove (241) and a second annular groove (242) are arranged on the inner wall of the lower end of the one-way valve (2) at intervals; a defoaming plate (25) is arranged in the first annular groove (241); a first draining groove (251) is formed in the surface of the defoaming plate (25); an annular plate (26) is arranged in the second annular groove (242); the middle part of the annular plate (26) is provided with a gradual opening (261); a first spring (27) is fixedly connected to the surface of the annular plate (26); a sealing plate (28) is fixedly connected to the top end of the first spring (27); the upper end of the sealing plate (28) is fixedly connected with a sealing ball (29); protruding rings (211) are arranged on the outer sides of the upper end and the lower end of the one-way valve (2);
a cavity (24) is formed in the one-way valve (2); the annular plate (26) and the defoaming plate (25) are arranged in a cavity (24) in the one-way valve (2); the sealing groove (22) is communicated with the cavity (24); the sealing plate (28) is arranged in the sealing groove (22); the sealing ball (29) is connected in the cavity (24) in a sliding way;
the kitchen sewer pipe comprises a fifth sewer pipe (6) and an arc-shaped pipe (8); the bottom end of the fifth sewer pipe (6) is communicated with a connecting pipe (5); the front end of the arc-shaped pipe (8) is communicated with the connecting pipe (5); the tail end of the arc-shaped pipe (8) is obliquely downwards communicated with a main pipe (9); a unidirectional baffle (81) is rotationally connected at the joint of the connecting pipe (5) and the front end of the arc-shaped pipe (8);
a lumen (611) is formed in the fifth sewer pipe (6); a draining plate (62) is arranged on the inner bottom surface of the pipe cavity (611); a second draining groove (621) is formed in the surface of the draining plate (62); a second spring (63) is fixedly connected to the middle part of the draining plate (62); the upper end of the second spring (63) is fixedly connected with a splitter plate (64); the shunt plate (64) is disposed within the lumen (611);
the inner wall of the lower end of the first sewer pipe (1) is provided with a leakage-proof groove (11); the leakage-proof groove (11) is matched with the raised ring (211); the front end of the connecting pipe (5) is communicated with the tail end of the third sewer pipe (4);
the cavity (24) in the check valve (2) is respectively communicated with the interiors of the first sewer pipe (1) and the second sewer pipe (3);
the connecting pipe (5) is in vertical relation with the fifth sewer pipe (6); the tail end of the connecting pipe (5) is communicated with the tail end of the arc-shaped pipe (8).
CN202110489549.1A 2021-05-06 2021-05-06 Pipeline structure for preventing second-floor pipeline from returning water Active CN113187036B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110489549.1A CN113187036B (en) 2021-05-06 2021-05-06 Pipeline structure for preventing second-floor pipeline from returning water

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Application Number Priority Date Filing Date Title
CN202110489549.1A CN113187036B (en) 2021-05-06 2021-05-06 Pipeline structure for preventing second-floor pipeline from returning water

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CN113187036B true CN113187036B (en) 2023-07-21

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